Tuesday, January 1, 2019

NASA Spacecraft Flies By Furthest Object Humans Have Ever Explored

A NASA spacecraft on Tuesday flew past the most distant world ever studied by humankind, Ultima Thule, a frozen relic of the early solar system that could reveal how planets formed.

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Decade After Paris Agreement, Experts Say World Has 'Failed' To Halt Warming

The world has changed dramatically in the decade since leaders celebrated a historic climate agreement in Paris a decade ago, but not quite ...